NJU7771/72/73/74/75/76

Transcription

1 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION is a low dropout voltage regulator designed for portable items. Advanced CMOS technology achieves high ripple rejection and low quiescent current. NJU7774/75/76 features shunt switch which improves turn off response of output voltage when ON/OFF control is used. PACKAGE OUTLINE NJU777*F FEATURES High Ripple Rejection 65dB typ. (f=1khz,vo=3.v version) Low quiescent Current Iq=18µA (Io=mA) Output capacitor with 1.µF ceramic capacitor (Vo>2.V version) Output Current Io(max.)=15mA High Precision Output Vo±1.% Low Dropout Voltage.15V typ. (Io=mA,Vo=3.V) Input Voltage Range =+2.3V 9V(Vo 2.V version) ON/OFF Control (Active High) With Shunt Switch Only NJU7774/75/76 Internal Short Circuit Current Limit Internal Thermal Overload Protection CMOS Technology Package Outline SOT-23-5 PIN CONFIGURATION 1.CONTROL 2.GND 3.NC PIN FUNCTION 1. 2.GND 3.CONTROL 4.NC 1. 2.GND 3. 4.CONTROL NC NJU7771F NJU7772F NJU7773F NJU7774F NJU7775F NJU7776F EQUIVALENT CIRCUIT V DD V DD CONTROL Output Control Thermal Protection CONTROL Output Control Thermal Protection Vref Current Limit Vref Current Limit V SS V SS NJM7771/72/73 NJM7774/75/76 Ver

2 OUTPUT VOLTAGE RANK LIST NJM7771 Device Name Device Name Device Name Device Name NJU7771F15 1.5V NJU7771F23 2.3V NJU7771F32 3.2V NJU7771F4 4.V NJU7771F18 1.8V NJU7771F25 2.5V NJU7771F33 3.3V NJU7771F42 4.2V NJU7771F19 1.9V NJU7771F27 2.7V NJU7771F35 3.5V NJU7771F5 5.V NJU7771F21 2.1V NJU7771F28 2.8V NJU7771F36 3.6V NJU7771F22 2.2V NJU7771F3 3.V NJU7771F38 3.8V NJM7772 Device Name Device Name Device Name Device Name NJU7772F15 1.5V NJU7772F23 2.3V NJU7772F32 3.2V NJU7772F4 4.V NJU7772F18 1.8V NJU7772F25 2.5V NJU7772F33 3.3V NJU7772F42 4.2V NJU7772F19 1.9V NJU7772F27 2.7V NJU7772F35 3.5V NJU7772F5 5.V NJU7772F21 2.1V NJU7772F28 2.8V NJU7772F36 3.6V NJU7772F22 2.2V NJU7772F3 3.V NJU7772F38 3.8V NJM7773 Device Name Device Name Device Name Device Name NJU7773F15 1.5V NJU7773F23 2.3V NJU7773F32 3.2V NJU7773F4 4.V NJU7773F18 1.8V NJU7773F25 2.5V NJU7773F33 3.3V NJU7773F42 4.2V NJU7773F19 1.9V NJU7773F27 2.7V NJU7773F35 3.5V NJU7773F5 5.V NJU7773F21 2.1V NJU7773F28 2.8V NJU7773F36 3.6V NJU7773F22 2.2V NJU7773F3 3.V NJU7773F38 3.8V NJM7774 Device Name Device Name Device Name Device Name NJU7774F15 1.5V NJU7774F25 2.5V NJU7774F33 3.3V NJU7774F5 5.V NJU7774F18 1.8V NJU7774F27 2.7V NJU7774F35 3.5V NJU7774F21 2.1V NJU7774F28 2.8V NJU7774F38 3.8V NJU7774F22 2.2V NJU7774F3 3.V NJU7774F4 4.V NJU7774F23 2.3V NJU7774F32 3.2V NJU7774F42 4.2V NJM7775 Device Name Device Name Device Name Device Name NJU7775F15 1.5V NJU7775F25 2.5V NJU7775F33 3.3V NJU7775F5 5.V NJU7775F18 1.8V NJU7775F27 2.7V NJU7775F35 3.5V NJU7775F21 2.1V NJU7775F28 2.8V NJU7775F38 3.8V NJU7775F22 2.2V NJU7775F3 3.V NJU7775F4 4.V NJU7775F23 2.3V NJU7775F32 3.2V NJU7775F42 4.2V NJM7776 Device Name Device Name Device Name Device Name NJU7776F15 1.5V NJU7776F25 2.5V NJU7776F33 3.3V NJU7776F5 5.V NJU7776F18 1.8V NJU7776F27 2.7V NJU7776F35 3.5V NJU7776F21 2.1V NJU7776F28 2.8V NJU7776F38 3.8V NJU7776F22 2.2V NJU7776F3 3.V NJU7776F4 4.V NJU7776F23 2.3V NJU7776F32 3.2V NJU7776F42 4.2V Ver

3 ABSOLUTE MAXIMUM RATINGS (Ta=25 C) PARAMETER SYMBOL RATINGS UNIT Input Voltage +1 V Control Voltage V CONT +1(*1) V Power Dissipation P D SOT (*2) 2(*3) mw Operating Temperature Topr C Storage Temperature Tstg C OFF-state Output Sink Current(*4) I O 1 ma (*1): When input voltage is less than +1V, the absolute maximum control voltage is equal to the input voltage. (*2) : Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers) (*3) : Device itself (*4): This maximum rating is applied to NJU7774/75/76. Operating voltage = V (In case of Vo<2.1V version) ( =Vo+1V, C IN =.1µF, Co=1.µF(Co=2.2µF: Vo 2.V), Ta=25 C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Output Voltage Vo -1.% +1.% V Input Voltage 9 V Quiescent Current I Q Io=mA, V CONT = µa Quiescent Current at Control OFF I Q(OFF) V CONT =V.1 1 µa Output Current Io Vo-.1V (Vo 2.V) Vo-.3V (Vo 2.1V) 15 ma Short Current Limit I LIM Vo=V 5 ma Line Regulation Vo/ =Vo+1V Vo+6.V (Vo<3.V) =Vo+1V 9.V (Vo 3.V),.2 %/V Load Regulation Vo/ Io Io= ma.3 %/ma Io=mA, 2.1V Vo 2.4V.2.3 V Dropout Voltage(*note 3) V I-O Io=mA, 2.5V Vo 2.7V V Io=mA, 2.8V Vo 3.3V V Io=mA, 3.4V Vo 5.V V Ripple Rejection Average Temperature Coefficient of Output Voltage RR ein=2mvrms,f=1khz,io=1ma, Vo=3.V Version 65 db Vo/ Ta Ta= 85 C, Io=1mA ± ppm/ C Output Noise Voltage V NO1 f=1hz 8kHz,Io=mA,Vo=3.V Version 4 µvrms V NO2 f=1hz 8kHz,Io=1mA,Vo=3.V Version 7 µvrms Pull-down Resistance R CONT MΩ Control Voltage for ON-state V CONT(ON) 1.6 V Control Voltage for OFF-state V CONT(OFF).3 V Pull-down Resistance at OFF-state(*6) R O(OFF) V CONT=V (V O=3.V Version) 12 Ω (*5): Except output voltage less than 2.1V. (*6) This electrical characteristics is applied to NJU7774/75/76. The above specification is a common specification for all output voltages. Therefore, it may be different from the individual specification for a specific output voltage. Ver

4 TEST CIRCUIT A I IN C IN.1µF NJU777* C O 1.µF*7 (ceramic) I OUT V A I CONT CONTROL V V CONT GND *7 Vo 2.V version: Co=2.2µF(ceramic) POWER DISSIPATION vs. AMBIENT TEMPERATURE Power Dissipation PD(mW) NJU777*F Power Dissipation (Topr=-4~+85,Tj=125,P D =2mW(Ta 25 )) On Board( mm, FR-4) Device itself Ambient Temperature Ta( ) Ver

5 TYPICAL APPLICATION 1 In case that ON/OFF Control is not required:.1µf NJU777* 1.µF *8 CONTROL GND *8 Vo 2.V version: Co=2.2µF Connect control terminal to terminal. 2 In use of ON/OFF Control.1µF NJU777* 1.µF *8 CONTROL GND *8 Vo 2.V version: Co=2.2µF State of control terminal: H output is enabled. L or open output is disabled. Ver

6 3.2 NJU777*_3.V Output Voltage vs. Input Voltage Co=1.µF(Ceramic) 3.5 NJU777*_3.V Output Voltage vs. Output Current Output Voltage : Vo(V) Io=A Output Voltage : Vo(V) Io=mA.5 VIN=4.V Co=1.µF (Ceramic) Input Voltage : (V) Output Current : Io(mA) 8 NJU777*_3.V Ground Pin Current v.s. Output Current VIN=4.V Co=1.µF(Ceramic).3.25 NJU777*_3.V Dropout Voltage vs. Output Current Co=1.µF(Ceramic) Ground Pin Current : I IGND (µa) I-O (V) (V) Dropout Voltage:dVI-O Output Current : IO(mA) I 5 15 Output Current:Io(mA) 6 NJU777*_3.V Output Voltage vs. Control Voltage 5 Output Voltage : Vo(V) VIN=4.V Co=1.mF(Ceramic) Control Voltage : Vcont(V) Ver

7 NJU777*_3.V Load Regulation vs. Output Current 3 NJU777*_3.V Peak Output Current vs. Input Voltage Load Regulation : dvo/dio(m (mv) VIN=4.V Co=1.µF(Ceramic) Output Current : Io(mA) Peak Output Current : IoMAX MAX(mA) Co=1.µF(Ceramic) Input Voltage : (V) Quiescent Current : I IQ (µa) NJU777*_3.V Quiescent Current v.s. Input Voltage Output is open. Co=1.µF(Ceramic) including Icont Output Noise Voltage : Vn(µVrms) Vrms) NJU777*_3.V Output Noise Voltage vs. Output Current Co=1.µF(Ceramic) Co=2.2µF(Ceramic) VIN=4.V LPF:8kHz Input Voltage : VIN V IN(V) Output Current : Io(mA) NJU777*_3.V Ripple Rejection Ratio v.s. Frequency Io=mA Ripple Rejection Ratio : RR (db) VIN=4.V ein=2mvrms Co=1.µF(Ceramic) Io=1mA Frequency : f (Hz) Ver

8 8 NJU777*_3.V Ripple Rejection vs. Output Current NJU777*_3.V Equivalent Serise Resistance vs. Output Current Ripple Rejection : RR (db) VIN=4.V ein=2mvrms Co=1.µF(Ceramic) f=1khz f=1khz Equivalent Serise Resistance : ESR(Ω) Co=1.µF(Ceramic) Cin=.1µF STABLE REGION Output Current : Io(A).1 1µ 1µ µ 1m 1m m Output Current : Io(A).3 NJU777*_3.V Dropout Voltage v.s. Temperature 2 NJU777*_3.V OFF Control Voltage v.s. Temperature I-O (V) (V) Dropout Io=mA Co=1.µF(Ceramic) CONT(ON) (V) (V) OFF Control Voltage : V VCONT(ON) 1.5 Co=1.µF(Ceramic) NJU777*_3.V Output Voltage v.s. Co=1.µF(Ceramic) 6 5 NJU777*_3.V Quiescent Current v.s. Temperature Output Voltage Vo (V) Quiescent Current : I IQ (µa) 4 3 Output is open. Co=1.µF(Ceramic) Temperature Ta ( o C) Ver

9 .1 NJU777*_3.V Line Regulation v.s. Temperature.3 NJU777*_3.V Load Regulation v.s. Temperature Line Regulation : dvo/dio (%/V).5 Co=1.µF(Ceramic) Load Regulation : dvo/dio Io=-mA Co=1.µF(Ceramic) Output Voltage Vo (V) NJU777*_3.V Output Voltage v.s. Co=1.µF(Ceramic) Short Circuit Current : I ISC (ma) NJU777*_3.V Short Circuit Current v.s. Output is short to ground. Co=1.µF(Ceramic) Temperature Ta ( o C) Ver

10 NJU777*_3.V ON/OFF Transient Response VIN=4.V,, Co=1.µF(ceramic) NJU777*_3.V ON/OFF Transient Response without Load VIN=4.V, Io=A,Co=1.µF(ceramic) Control Voltage Control Voltage Output Voltage:Vo(V) Vo(V) Output Voltage Control Voltage:VCONT CONT(V) Output Voltage:Vo(V) Vo(V) Output Voltage Control Voltage:VCONT CONT(V) Time : t(ms) Time : t(ms) NJU777*_3.V ON/OFF Transient Response without Load,Co=1.µF(ceramic) Input Voltage NJU777*_3.V ON/OFF Transient Response without Load VIN=4.V,Co=1.µF(ceramic) Output Current Output Voltage:Vo(V) Vo(V) Output Voltage Input Voltage:VIN(V) Output Voltage:Vo(V) Vo(V) Output Voltage Output Current:Io (ma) Time : t(µs) Time : t(µs) [CAUTION] The specifications on this databook are only given for information, without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights Ver